<template>
  <div>
    <el-form-item props="content">
      <!-- 图片上传组件辅助-->
      <el-upload
        class="avatar-uploader"
        :action="serverUrl"
        name="img"
        :headers="header"
        :show-file-list="false"
        :auto-upload="true"
        :on-success="uploadSuccess"
        :on-error="uploadError"
        :before-upload="beforeUpload"
      >
      </el-upload>
      <!-- 视频上传组件辅助 -->
      <el-upload
        class="upload-demo"
        :action="serverUrl"
        name="vedio"
        :headers="header"
        :show-file-list="false"
        :on-success="uploadSuccess"
        :on-error="uploadError"
        :before-upload="beforeUpload"
      >
      </el-upload>
      <quill-editor
        class="editor"
        v-model="topic"
        ref="myQuillEditor"
        :options="editorOption"
        @blur="onEditorBlur($event)"
        @focus="onEditorFocus($event)"
        @change="onEditorChange($event)"
      >
      </quill-editor>
    </el-form-item>
  </div>
</template>
<script>
// 工具栏配置
import { quillEditor } from "vue-quill-editor";
import "quill/dist/quill.core.css";
import "quill/dist/quill.snow.css";
import "quill/dist/quill.bubble.css";

const toolbarOptions = [
  ["bold", "italic", "underline", "strike"], // 加粗 斜体 下划线 删除线
  ["blockquote", "code-block"], // 引用  代码块
  [{ header: 1 }, { header: 2 }], // 1、2 级标题
  [{ list: "ordered" }, { list: "bullet" }], // 有序、无序列表
  [{ script: "sub" }, { script: "super" }], // 上标/下标
  [{ indent: "-1" }, { indent: "+1" }], // 缩进
  // [{ direction: "rtl" }], // 文本方向
  [{ size: ["small", false, "large", "huge"] }], // 字体大小
  [{ header: [1, 2, 3, 4, 5, 6, false] }], // 标题
  [{ color: [] }, { background: [] }], // 字体颜色、字体背景颜色
  [{ font: [] }], // 字体种类
  [{ align: [] }], // 对齐方式
  ["clean"], // 清除文本格式
  ["link", "image", "video"], // 链接、图片、视频
];

export default {
  name: "editor",
  props: {
    /* 编辑器的内容 */
    value: {
      type: String,
    },
    // /*图片大小*/
    maxSize: {
      type: Number,
      default: 4000, // kb
    },
  },

  components: {
    quillEditor,
  },

  data() {
    return {
      topic: this.value,
      quillUpdateImg: false, // 根据图片上传状态来确定是否显示loading动画，刚开始是false,不显示
      editorOption: {
        theme: "snow", // or 'bubble'
        placeholder: "您想说点什么？",
        modules: {
          toolbar: {
            container: toolbarOptions,
            // container: "#toolbar",
            handlers: {
              image: function (value) {
                if (value) {
                  // 触发input框选择图片文件
                  document.querySelector(".avatar-uploader input").click();
                } else {
                  this.quill.format("image", false);
                }
              },
              vedio: function (value) {
                if (value) {
                  document.querySelector(".upload-demo input").click();
                } else {
                  this.quill.format("vedio", false);
                }
              },
            },
          },
        },
      },
      serverUrl: "http://172.17.211.49:5656/getImgPath", // 这里写你要上传的图片服务器地址
      header: {
        token: this.$store.state.token,
      }, // 有的图片服务器要求请求头需要有token
    };
  },

  methods: {
    onEditorBlur(quill) {
      // 失去焦点事件
      console.log("editor blur!", quill);
    },
    onEditorFocus(quill) {
      // 获得焦点事件
      console.log("editor focus!", quill);
    },
    onEditorChange() {
      // 内容改变事件
      this.$emit("input", this.topic);
    },

    // 富文本图片上传前
    beforeUpload() {
      //   显示loading动画
      //   let fileType = file.type
      //   if (fileType === 'image/jpeg' || fileType === 'image/png') {
      //     return true
      //   } else {
      //     this.$message.error('请插入图片类型文件(jpg/jpeg/png/gif)')
      //     return false
      //   }
      this.quillUpdateImg = true;
    },

    uploadSuccess(res, file) {
      // res为图片服务器返回的数据
      // 获取富文本组件实例
      const quill = this.$refs.myQuillEditor.quill;
      // 如果上传成功
      if (res.portrait === null) {
        this.$message.success("图片上传成功");
        // 获取光标所在位置
        const length = quill.getSelection().index;
        // 插入图片  res.url为服务器返回的图片地址
        quill.insertEmbed(length, "image", res);
        // 调整光标到最后
        quill.setSelection(length + 1);
      } else {
        this.$message.error("图片插入失败");
      }
      // loading动画消失
      this.quillUpdateImg = false;
    },
    // 视频
    // uploadSuccess1(res, file) {
    //   const quill = this.$refs.myQuillEditor.quill;
    //   if (res.code === 200) {
    //     const length = quill.getSelection().index;
    //     quill.insertEmbed(length, "vedio", res.url);
    //     quill.setSelection(length + 1);
    //   }
    // },
    // 富文本图片上传失败
    uploadError() {
      // loading动画消失
      this.quillUpdateImg = false;
      this.$message.error("图片插入失败");
    },
  },
};
</script>

<style>
.editor {
  position: absolute;
  left: 50%;
  top: 10%;
  transform: translate(-50%);
  line-height: normal !important;
  width: 800px;
  height: 300px;
}
.ql-snow .ql-tooltip[data-mode="link"]::before {
  topic: "请输入链接地址:";
}
.ql-snow .ql-tooltip.ql-editing a.ql-action::after {
  border-right: 0px;
  topic: "保存";
  padding-right: 0px;
}

.ql-snow .ql-tooltip[data-mode="video"]::before {
  topic: "请输入视频地址:";
}

.ql-snow .ql-picker.ql-size .ql-picker-label::before,
.ql-snow .ql-picker.ql-size .ql-picker-item::before {
  topic: "14px";
}
.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="small"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="small"]::before {
  topic: "10px";
}
.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="large"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="large"]::before {
  topic: "18px";
}
.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="huge"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="huge"]::before {
  topic: "32px";
}

.ql-snow .ql-picker.ql-header .ql-picker-label::before,
.ql-snow .ql-picker.ql-header .ql-picker-item::before {
  topic: "文本";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="1"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="1"]::before {
  topic: "标题1";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="2"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="2"]::before {
  topic: "标题2";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="3"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="3"]::before {
  topic: "标题3";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="4"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="4"]::before {
  topic: "标题4";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="5"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="5"]::before {
  topic: "标题5";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="6"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="6"]::before {
  topic: "标题6";
}

.ql-snow .ql-picker.ql-font .ql-picker-label::before,
.ql-snow .ql-picker.ql-font .ql-picker-item::before {
  topic: "标准字体";
}
.ql-snow .ql-picker.ql-font .ql-picker-label[data-value="serif"]::before,
.ql-snow .ql-picker.ql-font .ql-picker-item[data-value="serif"]::before {
  topic: "衬线字体";
}
.ql-snow .ql-picker.ql-font .ql-picker-label[data-value="monospace"]::before,
.ql-snow .ql-picker.ql-font .ql-picker-item[data-value="monospace"]::before {
  topic: "等宽字体";
}
/* .ql-editor {
  text-indent: 2rem;
} */
</style>
